bjoernager/rust
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Support removed LLVM intrinsics by invoking its AutoUpgrade mechanism.

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This commit is contained in:
Eduard Burtescu 2016-08-03 22:37:57 +03:00
parent a0b4e67648
commit 63f0c4de67
2 changed files with 38 additions and 0 deletions
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8
src/rustllvm/PassWrapper.cpp
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@ -17,6 +17,7 @@
#include "llvm/Support/Host.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/IR/AutoUpgrade.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetSubtargetInfo.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
@ -361,10 +362,17 @@ extern "C" void
LLVMRustRunFunctionPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) {
llvm::legacy::FunctionPassManager *P = unwrap<llvm::legacy::FunctionPassManager>(PM);
P->doInitialization();
// Upgrade all calls to old intrinsics first.
for (Module::iterator I = unwrap(M)->begin(),
E = unwrap(M)->end(); I != E;)
UpgradeCallsToIntrinsic(&*I++); // must be post-increment, as we remove
for (Module::iterator I = unwrap(M)->begin(),
E = unwrap(M)->end(); I != E; ++I)
if (!I->isDeclaration())
P->run(*I);
P->doFinalization();
}